Trump urged to rethink trade policy to block attacks on digital services. In sparking his global trade war, Donald Trump seems to have maintained a glaring blind spot when it comes to protecting one of America's greatest trade advantages: the export of digital services. Experts have warned that the consequences for Silicon Valley could be far-reaching. In a report released Tuesday, an intelligence firm that tracks global trade risks, Allianz Trade, shared results of a survey of 4,500 firms world...